• Just when you thought Lindsay Lohan couldn't do anything to surprise you: It seems $400,000 worth of Christian Dior jewelry went missing following an Elle photo shoot in London. The last person to see it? That would be Lohan, who is now being sought by investigators for questioning. [NYDN, TMZ]
• Despite rumors to the contrary, Marc Jacobs and Lorenzo Martone did not get married in Provincetown last weekend. It'll go down later this summer, however. [WWD]
• Adrian Grenier was seen "getting cozy" with Twilight star Ashley Greene. [P6]
• Paris Hilton says she's just getting to know soccer star Cristiano Ronaldo. Her definition of "know" is probably different from yours. [Mirror]

• Appearing on I'm a Celebrity...Get Me Out of Here! may be the most dangerous job in Hollywood. Janice Dickinson was rushed off the Costa Rican set of the show yesterday for "an undisclosed medical condition." [Us]
• A new "housewife" may be joining the cast of Real Housewives of New York: She's "yogurt heiress" Bryce Gruber. [NYDN]
• In other Real Housewives news, Bethenny Frankel says she's totally in love with her new, "very, very athletic" boyfriend, Jason Hoppy. [People]
• Donald Trump, wearing his other hat as an aerospace engineer, has a theory about what happened to that Air France flight that went down. Phew. [P6]
• Heidi and Spencer Pratt don't wake up early watch the Today show, apparently. [Us]
• Howard Stern sidekick Artie Lange is sober, he'd like you to know. [NYDN]
• In case she didn't hear him the first time, David Letterman is apologizing to Sarah Palin once again for comments about her daughter(s). [NYDN, Us]
• Stephen Baldwin would like to make it clear that his home is not—repeat not—in foreclosure and not going up for auction in the near future. [People]
• Sienna Miller's London abode is for sale. [Real Estalker]
• Jessica Alba will not face criminal charges for defacing Oklahoma City property, you'll be pleased to hear, we're sure. [Us]